A new study examines how the genetic diversity and structure of the worldwide polar bear population have changed amid a decline in sea-ice habitat.
In a bid to look unattractive to predators, the nestlings not only look like caterpillars but move just like them, too.
The harlequin filefish smells like coral instead of dinner to things that would like to eat it.
There were no injuries, although it wasn't immediately clear whether the boat could be salvaged.
If an asteroid strikes or a nuclear winter ensues, survivors could live on at least 10 foods that in some cases may seem gross but are all nutritious.
A species of butterfly uses its decorative flair for protection and also varies its color and intensity by season as predator types change.
Signaling device rises 150 feet in the air and stays aloft for a week. Continue reading →
A woman is found after two weeks lost in a rugged Australian rainforest.
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